epic-mra poll, obama, 48%, romney, 45%. we'll be right back. boy, they are close. >>> we're back. throughout this election year we've watched president obama and governor romney's campaigns carefully craft a message on who exactly their candidate is and what makes them tick. well, a pbs frontline documentary airing tonight is breaking through the talking points to find out what made these two presidential candidates the men they are in the words of their friends, family, enemies, and the reporters who have covered them. let's watch. >> he is a pragmatic business person. he's a guy who likes to take apart a problem and figure out how to get it fixed. >> barack obama is a fascinating mixture of boldness and caution but then once he makes a decision, it's usually the bold one. >> mitt romney has been accused of flip-flopping, but on mormonism he will never flip-flop. >> and yet in politics he has often tried to keep that part of him behind the curtain. >> the backlash against his presidency must be mystifying to him because he